题目3单选题
在connected papers这个在线工具中输入smart grid,可以找到智能电网这个领域的研究脉络,请问:这个领域中下列哪篇文献的最新A. Cyber-security in smart grid: Survey and challengesB. Millimeter Wave Based Real-Time Sag Measurement and Monitoring System of Overhead Transmission Lines in a Smart GridC. A Survey: Centralized, Decentralized, and Distributed Control Scheme in Smart Grid SystemsD. Smart Grid — The New and Improved Power Grid: A Survey